( | ( | 422697 100 | − | X | − | 613993 100 | ) | ÷ | 613993 100 | ) | × | 1 2 | = | ( | ( | 166851 100 | + | 6499 100 | + | X | ) | − | 371613 100 | ) | ÷ | 371613 100 |
方程左边 = | ( | 422697 100 | − | X | − | 613993 100 | ) | ÷ | 613993 100 | × | 1 2 |
= | ( | 422697 100 | − | X | − | 613993 100 | ) | × | 50 613993 |
= | 422697 100 | × | 50 613993 | − | X | × | 50 613993 | − | 613993 100 | × | 50 613993 |
= | 422697 1227986 | − | X | × | 50 613993 | − | 613993 1227986 |
= | - | 95648 613993 | − | 50 613993 | X |
- | 95648 613993 | − | 50 613993 | X | = | ( | ( | 166851 100 | + | 6499 100 | + | X | ) | − | 371613 100 | ) | ÷ | 371613 100 |
方程右边 = | ( | 166851 100 | + | 6499 100 | + | X | ) | × | 100 371613 | − | 371613 100 | × | 100 371613 |
= | ( | 166851 100 | + | 6499 100 | + | X | ) | × | 100 371613 | − | 11261 11261 |
= | 166851 100 | × | 100 371613 | + | 6499 100 | × | 100 371613 | + | X | × | 100 371613 | − | 11261 11261 |
= | 55617 123871 | + | 6499 371613 | + | X | × | 100 371613 | − | 11261 11261 |